Z
On 12/23/2021 8:34 AM, doran platt
wrote:
Is there any reason one cannot substitute decent 572B tubes for the 811A modulator tubes in the ART-13? The form, fit, and specs are all OK. I firmly believe they will work just fine but are any different opinions? The only reason I ask is that when I recently divested my large stock of tubes, I failed to retain any 811As as spares. I do have spare 572Bs, however, as used in my AL-572 and SB-200 amplifiers. TNX
Jeep K3HVG
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